{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["compare", "used for", "feature of"], "input": "In this paper , we will describe a search tool for a huge set of ngrams ."}
{"compare": [], "used for": [{"subject": "search tool", "object": "ngrams"}], "feature of": []}